v3.26.1
Restructuring - Schedule of Restructuring (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 03, 2026
Mar. 28, 2025
Restructuring Reserve [Roll Forward]    
Additional Charges $ 2,295 $ 2,038
Reduction In Force    
Restructuring Reserve [Roll Forward]    
Beginning balance 151 817
Additional Charges 2,295 2,038
Cash Payments (1,497) (1,858)
Ending balance 949 997
Performance Materials | Reduction In Force    
Restructuring Reserve [Roll Forward]    
Beginning balance 0 56
Additional Charges 615 196
Cash Payments (365) (66)
Ending balance 250 186
Electronic Materials | Reduction In Force    
Restructuring Reserve [Roll Forward]    
Beginning balance 83 293
Additional Charges 409 453
Cash Payments (370) (648)
Ending balance 122 98
Precision Optics | Reduction In Force    
Restructuring Reserve [Roll Forward]    
Beginning balance 59 60
Additional Charges 839 1,358
Cash Payments (425) (1,015)
Ending balance 473 403
Other | Reduction In Force    
Restructuring Reserve [Roll Forward]    
Beginning balance 9 408
Additional Charges 432 31
Cash Payments (337) (129)
Ending balance $ 104 $ 310